1 files changed, 0 insertions, 59 deletions
diff --git a/go-patches/0003-release-branch.go1.17-runtime-support-non-cooperativ.patch b/go-patches/0003-release-branch.go1.17-runtime-support-non-cooperativ.patch
deleted file mode 100644
index dbab4ba0..00000000
--- a/go-patches/0003-release-branch.go1.17-runtime-support-non-cooperativ.patch
+++ /dev/null
@@ -1,59 +0,0 @@
-From 0000000000000000000000000000000000000000 Mon Sep 17 00:00:00 2001
-From: "Jason A. Donenfeld" <Jason@zx2c4.com>
-Date: Tue, 23 Nov 2021 20:04:24 +0100
-Subject: [PATCH] [release-branch.go1.17] runtime: support non-cooperative
- preemption on windows/arm
-
-This adds support for injecting asynchronous preemption calls on
-windows/arm. This code follows sigctxt.pushCall for POSIX OSes
-on arm, except we subtract 1 from IP, just as in CL 273727.
-
-Updates #10958.
-Updates #24543.
-Updates #49759.
-
-Change-Id: Id0c2aed28662f50631b8c8cede3b4e6f088dafea
-Reviewed-on: https://go-review.googlesource.com/c/go/+/366734
-Trust: Jason A. Donenfeld <Jason@zx2c4.com>
-Reviewed-by: Austin Clements <austin@google.com>
-Reviewed-by: Patrik Nyblom <pnyb@google.com>
-Reviewed-by: Cherry Mui <cherryyz@google.com>
----
- src/runtime/os_windows.go | 16 ++++++++++++++--
- 1 file changed, 14 insertions(+), 2 deletions(-)
-
-diff --git a/src/runtime/os_windows.go b/src/runtime/os_windows.go
-index f0935264ac..faeb6ce552 100644
---- a/src/runtime/os_windows.go
-+++ b/src/runtime/os_windows.go
-@@ -1303,7 +1303,7 @@ func setThreadCPUProfiler(hz int32) {
- 	atomic.Store((*uint32)(unsafe.Pointer(&getg().m.profilehz)), uint32(hz))
- }
- 
--const preemptMSupported = GOARCH == "386" || GOARCH == "amd64"
-+const preemptMSupported = GOARCH != "arm64"
- 
- // suspendLock protects simultaneous SuspendThread operations from
- // suspending each other.
-@@ -1396,8 +1396,20 @@ func preemptM(mp *m) {
- 				*(*uintptr)(unsafe.Pointer(sp)) = newpc
- 				c.set_sp(sp)
- 				c.set_ip(targetPC)
--			}
- 
-+			case "arm":
-+				// Push LR. The injected call is responsible
-+				// for restoring LR. gentraceback is aware of
-+				// this extra slot. See sigctxt.pushCall in
-+				// signal_arm.go, which is similar except we
-+				// subtract 1 from IP here.
-+				sp := c.sp()
-+				sp -= sys.PtrSize
-+				c.set_sp(sp)
-+				*(*uint32)(unsafe.Pointer(sp)) = uint32(c.lr())
-+				c.set_lr(newpc - 1)
-+				c.set_ip(targetPC)
-+			}
- 			stdcall2(_SetThreadContext, thread, uintptr(unsafe.Pointer(c)))
- 		}
- 	}